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Wet Segment Diamond Core Drill Bits
Our wet core bit is the most valuable product. Fast drilling and last long by strong bonding matrix. Fine quality with economical price. 5/8″-11F Thread Our well balanced core bit never make jumping. 10mm segment height for longer life.
USE PLENTY OF WATER RECOMAND R.P.M
1/4″ – 3/4″ –> 3,500 R.P.M
1″ – 2″ –> 6,000-8,000 R.P.M
2″ – 4″ –> 4,500 R.P.M

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List Price: $329.99

Sale Price: $269.99

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Includes HM Ultra Metal Core Bit Set – 63127384020, (4) 2-in Mag Drill Bits (9/16-in, 11/16-in, 13/16-in, 15/16-in), Centering Pin, Plastic Carrying Case

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These Premium Professional grade 4″ / 102 mm diameter Diamond Core Bit Hole Saw with 9 mm segment height, 3.5 mm segment thickness, 4″ overall Height and arbor 5/8″ 11 (Made with Premium Diamond) works great on GRANITE, Marble, Concrete, Tiles, stone etc.

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List Price: $19.99

Sale Price: $19.57

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Hitachi’s revolutionary line of diamond grit drill bits are ideal for the professional and/or serious DIYer who drills into hard materials like tile, marble, porcelain, granite, slate and glass. They significantly outperform the standard carbide glass and tile bits on the market today, both in speed of drilling and the number of holes that can be drilled per bit. These diamond grit drill bits are easy to use, only water is needed and they can be used with any cordless drill for flexibility and convenience.